Primary rainbow is formed when light suffers.......

two internal refractions before emerging out of the drop

one internal refractions before emerging out of the drop

either one or two internal refractions before emerging out of the drop

200950 + Mcqs in General in General Knowledge Page 1 McqOptions

1.	What day of the week does May 28 2006 fall on?
A.	Saturday
B.	Monday
C.	Sunday
D.	Thursday
Answer» D. Thursday

Discussion

2.	What will be the day of the week on 15th August, 2010?
A.	Thursday
B.	Sunday
C.	Monday
D.	Saturday
Answer» C. Monday

Discussion

3.	The banker's discount on a sum of money for 112 years is Rs. 120. The true discount on the same sum for 2 years is Rs.150. What is the rate percent?
A.	313%
B.	413%
C.	323%
D.	423%
Answer» B. 413%

Discussion

4.	What is the difference between the banker's discount and the true discount on Rs.8100 for 3 months at 5%?
A.	Rs. 2
B.	Rs. 1.25
C.	Rs. 2.25
D.	Rs. 0.5
Answer» C. Rs. 2.25

Discussion

5.	What is the present worth of a bill of Rs.1764 due 2 years hence at 5% compound interest ?
A.	Rs. 1600
B.	Rs. 1200
C.	Rs. 1800
D.	Rs. 1400
Answer» B. Rs. 1200

Discussion

6.	The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs. 24. What is the present worth?
A.	Rs. 600
B.	Rs. 500
C.	Rs. 400
D.	Rs. 300
Answer» B. Rs. 500

Discussion

7.	The banker's discount on a sum of money for 3 years is Rs. 1116. The true discount on the same sum for 4 years is Rs. 1200. What is the rate percent?
A.	8%
B.	12%
C.	10%
D.	6%
Answer» E.

Discussion

8.	The true discount on a bill for Rs. 2520 due 6 months hence at 10% per annum is?
A.	Rs. 180
B.	Rs. 140
C.	Rs. 80
D.	Rs. 120
Answer» E.

Discussion

9.	A banker paid Rs.5767.20 for a bill of Rs.5840, drawn of Apr 4 at 6 months. If the rate of interest was 7%, what was the day on which the bill was discounted?
A.	3rd March
B.	3rd September
C.	3rd October
D.	3rd August
Answer» E.

Discussion

10.	The banker's gain on a sum due 3 years hence at 12% per annum is Rs. 360. The banker's discount is?
A.	Rs. 1360
B.	Rs. 1000
C.	Rs. 360
D.	Rs. 640
Answer» B. Rs. 1000

Discussion

11.	The banker's gain on a certain sum due 212 years hence is 925 of the banker's discount. What is the rate percent?
A.	1813%
B.	1812%
C.	2413%
D.	2212%
Answer» E.

Discussion

12.	The banker's discount on Rs. 1600 at 15% per annum is the same as true discount on Rs. 1680 for the same time and at the same rate. What is the time?
A.	3 months
B.	4 months
C.	5 months
D.	6 months
Answer» C. 5 months

Discussion

13.	The present worth of a certain sum due sometime hence is Rs. 3400 and the true discount is Rs. 340. The banker's gain is?
A.	Rs. 21
B.	Rs. 17
C.	Rs. 18
D.	Rs. 34
Answer» E.

Discussion

14.	What is the banker's discount if the true discount on a bill of Rs.540 is Rs.90 ?
A.	Rs. 108
B.	Rs. 120
C.	Rs. 102
D.	Rs. 106
Answer» B. Rs. 120

Discussion

15.	The banker's discount on a certain amount due 2 years hence is 11⁄10 of the true discount. What is the rate percent?
A.	1%
B.	5%
C.	10%
D.	12%
Answer» C. 10%

Discussion

16.	Distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56km per hour. Find the average speed of the train during the whole journey?
A.	69.0 km /hr
B.	69.2 km /hr
C.	67.2 km /hr
D.	67.0 km /hr
Answer» D. 67.0 km /hr

Discussion

17.	The banker's discount on a bill due 4 months hence at 15% is Rs. 420. What is the true discount?
A.	410
B.	400
C.	390
D.	380
Answer» C. 390

Discussion

18.	The average of six numbers is x and the average of three of these is y. If the average of the remaining three is z, then ?
A.	None of these
B.	x = y + z
C.	2x = y + z
D.	x = 2y + 2z
Answer» D. x = 2y + 2z

Discussion

19.	In an examination, a student's average marks were 63. If he had obtained 20 more marks for Geography and 2 more marks for history, his average would have been 65. How many subjects were there in the examination?
A.	12
B.	11
C.	13
D.	14
Answer» C. 13

Discussion

20.	The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. Find out the highest score of the player?
A.	150
B.	174
C.	180
D.	166
Answer» C. 180

Discussion

21.	If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60. What is the average marks of all the students?
A.	53.23
B.	54.68
C.	51.33
D.	50
Answer» C. 51.33

Discussion

22.	A family consists of two grandparents, two parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. The average age of the family is?
A.	32.27 years
B.	31.71 years
C.	28.17 years
D.	30.57 years
Answer» C. 28.17 years

Discussion

23.	The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, what is the weight of B?
A.	31 kg
B.	2812 kg
C.	32 kg
D.	3012 kg
Answer» B. 2812 kg

Discussion

24.	A student's mark was wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half 1/2. What is the number of students in the class?
A.	45
B.	40
C.	35
D.	30
Answer» C. 35

Discussion

25.	A library has an average of 510 visitors on Sundays and 240 on other days. What is the average number of visitors per day in a month of 30 days beginning with a Sunday?
A.	290
B.	304
C.	285
D.	270
Answer» D. 270

Discussion

26.	The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. Find out the average age of the team?
A.	23 years
B.	20 years
C.	24 years
D.	21 years
Answer» B. 20 years

Discussion

27.	A rectangular plot measuring 90 metres by 50 metres needs to be enclosed by wire fencing such that poles of the fence will be kept 5 metres apart. How many poles will be needed?
A.	30
B.	44
C.	56
D.	60
Answer» D. 60

Discussion

28.	The area of a parallelogram is 72 cm2 and its altitude is twice the corresponding base. What is the length of the base?
A.	6 cm
B.	7 cm
C.	8 cm
D.	12cm
Answer» B. 7 cm

Discussion

29.	Two diagonals of a rhombus are 72 cm and 30 cm respectively. What is its perimeter?
A.	136 cm
B.	156 cm
C.	144 cm
D.	121 cm
Answer» C. 144 cm

Discussion

30.	The base of a parallelogram is (p 4), altitude to the base is (p - 3) and the area is (p2 - 4), find out its actual area?
A.	40 sq. units
B.	54 sq. units
C.	36 sq. units
D.	60 sq. units
Answer» E.

Discussion

31.	21. The diagonal of the floor of a rectangular room is (MF#%7dfrac{1}{2})MF#% feet. The shorter side of the room is 4 (MF#%dfrac{1}{2})MF#% feet. What is the area of the room?
A.	27 square feet
B.	22 square feet
C.	24 square feet
D.	20 square feet
Answer» B. 22 square feet

Discussion

32.	A tank is 25 m long, 12 m wide and 6 m deep. What is the cost of plastering of its walls and bottom at the rate of 75 paise per sq. m?
A.	558
B.	502
C.	516
D.	612
Answer» B. 502

Discussion

33.	It is decided to construct a 2 metre broad pathway around a rectangular plot on the inside. If the area of the plots is 96 sq.m. and the rate of construction is Rs. 50 per square metre., what will be the total cost of the construction?
A.	3500
B.	4200
C.	Insufficient Data
D.	4400
Answer» D. 4400

Discussion

34.	The diagonal of a rectangle is (MF#%sqrt{41})MF#% cm and its area is 20 sq. cm. What is the perimeter of the rectangle?
A.	16cm
B.	12cm
C.	10cm
D.	18cm
Answer» E.

Discussion

35.	What is the percentage increase in the area of a rectangle, if each of its sides is increased by 20%?
A.	40%
B.	45%
C.	44%
D.	42%
Answer» D. 42%

Discussion

36.	The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then what is the area of the park (in sq. m)?
A.	142000
B.	112800
C.	142500
D.	153600
Answer» E.

Discussion

37.	If the difference between the length and breadth of a rectangle is 23 m and its perimeter is 206 m, what is its area?
A.	2800 m2
B.	2740 m2
C.	2520 m2
D.	2200 m2
Answer» D. 2200 m2

Discussion

38.	A room 5m 44cm long and 3m 74cm broad needs to be paved with square tiles. What will be the least number of square tiles required to cover the floor?
A.	176
B.	124
C.	224
D.	186
Answer» B. 124

Discussion

39.	The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 m, find out the area of the field?
A.	37500 m2
B.	30500 m2
C.	32500 m2
D.	40000 m2
Answer» B. 30500 m2

Discussion

40.	The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq.cm. What is the length of the rectangle?
A.	18cm
B.	16cm
C.	40cm
D.	20cm
Answer» D. 20cm

Discussion

41.	The length of a room is 5.5 m and width is 3.75 m. What is the cost of paying the floor by slabs at the rate of Rs. 800 per sq. metre?
A.	rs.12000
B.	Rs.19500
C.	Rs.18000
D.	Rs.16500.
Answer» E.

Discussion

42.	If a square and a rhombus stand on the same base, then what is the ratio of the areas of the square and the rhombus?
A.	equal to ½
B.	equal to ¾
C.	greater than 1
D.	equal to 1
Answer» E.

Discussion

43.	The area of a rectangle plot is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the plot?
A.	14 metres
B.	20 metres
C.	18 metres
D.	12 metres
Answer» C. 18 metres

Discussion

44.	A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 9 feet, and the sum of the lengths of the painted sides is 37 feet, find out the area of the parking space in square feet?
A.	126 sq. ft.
B.	64 sq. ft.
C.	100 sq. ft.
D.	102 sq. ft.
Answer» B. 64 sq. ft.

Discussion

45.	A rectangular field has to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?
A.	95
B.	92
C.	88
D.	82
Answer» D. 82

Discussion

46.	A person walked diagonally across a square plot. Approximately, what was the percent saved by not walking along the edges?
A.	35%
B.	30%
C.	20%
D.	25%
Answer» C. 20%

Discussion

47.	A towel, when bleached, lost 20% of its length and 10% of its breadth. What is the percentage of decrease in area?
A.	30 %
B.	28 %
C.	32 %
D.	26 %
Answer» C. 32 %

Discussion

48.	If the length of a rectangle is halved and its breadth is tripled, what is the percentage change in its area?
A.	25 % Increase
B.	. 25 % Decrease
C.	50 % Decrease
D.	50 % Increase
Answer» E.

Discussion

49.	A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. The area of the lawn is 2109 sq. m. what is the width of the road?
A.	5 m
B.	4 m
C.	2 m
D.	3 m
Answer» E.

Discussion

50.	Primary rainbow is formed when light suffers.......
A.	two internal refractions before emerging out of the drop
B.	one internal refractions before emerging out of the drop
C.	no internal refraction
D.	either one or two internal refractions before emerging out of the drop
Answer» C. no internal refraction

Discussion

Explore topic-wise MCQs in General Knowledge.

What day of the week does May 28 2006 fall on?

What will be the day of the week on 15th August, 2010?

The banker's discount on a sum of money for 112 years is Rs. 120. The true discount on the same sum for 2 years is Rs.150. What is the rate percent?

What is the difference between the banker's discount and the true discount on Rs.8100 for 3 months at 5%?

What is the present worth of a bill of Rs.1764 due 2 years hence at 5% compound interest ?

The banker's gain of a certain sum due 2 years hence at 10% per annum is Rs. 24. What is the present worth?

The banker's discount on a sum of money for 3 years is Rs. 1116. The true discount on the same sum for 4 years is Rs. 1200. What is the rate percent?

The true discount on a bill for Rs. 2520 due 6 months hence at 10% per annum is?

A banker paid Rs.5767.20 for a bill of Rs.5840, drawn of Apr 4 at 6 months. If the rate of interest was 7%, what was the day on which the bill was discounted?

The banker's gain on a sum due 3 years hence at 12% per annum is Rs. 360. The banker's discount is?

The banker's gain on a certain sum due 212 years hence is 925 of the banker's discount. What is the rate percent?

The banker's discount on Rs. 1600 at 15% per annum is the same as true discount on Rs. 1680 for the same time and at the same rate. What is the time?

The present worth of a certain sum due sometime hence is Rs. 3400 and the true discount is Rs. 340. The banker's gain is?

What is the banker's discount if the true discount on a bill of Rs.540 is Rs.90 ?

The banker's discount on a certain amount due 2 years hence is 11⁄10 of the true discount. What is the rate percent?

Distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56km per hour. Find the average speed of the train during the whole journey?

The banker's discount on a bill due 4 months hence at 15% is Rs. 420. What is the true discount?

The average of six numbers is x and the average of three of these is y. If the average of the remaining three is z, then ?

In an examination, a student's average marks were 63. If he had obtained 20 more marks for Geography and 2 more marks for history, his average would have been 65. How many subjects were there in the examination?

The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. Find out the highest score of the player?

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60. What is the average marks of all the students?

A family consists of two grandparents, two parents and three grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 6 years. The average age of the family is?

The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, what is the weight of B?

A student's mark was wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half 1/2. What is the number of students in the class?

A library has an average of 510 visitors on Sundays and 240 on other days. What is the average number of visitors per day in a month of 30 days beginning with a Sunday?

The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 3 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. Find out the average age of the team?

A rectangular plot measuring 90 metres by 50 metres needs to be enclosed by wire fencing such that poles of the fence will be kept 5 metres apart. How many poles will be needed?

The area of a parallelogram is 72 cm2 and its altitude is twice the corresponding base. What is the length of the base?

Two diagonals of a rhombus are 72 cm and 30 cm respectively. What is its perimeter?

The base of a parallelogram is (p 4), altitude to the base is (p - 3) and the area is (p2 - 4), find out its actual area?

21. The diagonal of the floor of a rectangular room is (MF#%7dfrac{1}{2})MF#% feet. The shorter side of the room is 4 (MF#%dfrac{1}{2})MF#% feet. What is the area of the room?

A tank is 25 m long, 12 m wide and 6 m deep. What is the cost of plastering of its walls and bottom at the rate of 75 paise per sq. m?

It is decided to construct a 2 metre broad pathway around a rectangular plot on the inside. If the area of the plots is 96 sq.m. and the rate of construction is Rs. 50 per square metre., what will be the total cost of the construction?

The diagonal of a rectangle is (MF#%sqrt{41})MF#% cm and its area is 20 sq. cm. What is the perimeter of the rectangle?

What is the percentage increase in the area of a rectangle, if each of its sides is increased by 20%?

The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then what is the area of the park (in sq. m)?

If the difference between the length and breadth of a rectangle is 23 m and its perimeter is 206 m, what is its area?

A room 5m 44cm long and 3m 74cm broad needs to be paved with square tiles. What will be the least number of square tiles required to cover the floor?

The breadth of a rectangular field is 60% of its length. If the perimeter of the field is 800 m, find out the area of the field?

The length of a rectangle is twice its breadth. If its length is decreased by 5 cm and breadth is increased by 5 cm, the area of the rectangle is increased by 75 sq.cm. What is the length of the rectangle?

The length of a room is 5.5 m and width is 3.75 m. What is the cost of paying the floor by slabs at the rate of Rs. 800 per sq. metre?

If a square and a rhombus stand on the same base, then what is the ratio of the areas of the square and the rhombus?

The area of a rectangle plot is 460 square metres. If the length is 15% more than the breadth, what is the breadth of the plot?

A rectangular parking space is marked out by painting three of its sides. If the length of the unpainted side is 9 feet, and the sum of the lengths of the painted sides is 37 feet, find out the area of the parking space in square feet?

A rectangular field has to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?

A person walked diagonally across a square plot. Approximately, what was the percent saved by not walking along the edges?

A towel, when bleached, lost 20% of its length and 10% of its breadth. What is the percentage of decrease in area?

If the length of a rectangle is halved and its breadth is tripled, what is the percentage change in its area?

A rectangular park 60 m long and 40 m wide has two concrete crossroads running in the middle of the park and rest of the park has been used as a lawn. The area of the lawn is 2109 sq. m. what is the width of the road?

Primary rainbow is formed when light suffers.......